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#1
07-14-2018, 02:31 AM
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Here is my final opinion. The base is a later 1970 non notched or over the counter OEM base. The numbers appear to be hand stamped common with the early seventies GM. What the numbers mean is still open for discussion. The tool markings, seams and spot welds look OEM. The lid 100% is a reproduction due to the ramped outer edge. Anyone have any more to add to this I'm open to learn also?
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1970 L78 camaro Cortez silver ralley sport under restoration 1970 L78 camaro cranberry red standard black interior original drivetrain. Last edited by ronzz572; 07-14-2018 at 02:33 AM. 
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#2
07-14-2018, 03:29 AM
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The base looks correct, it has the correct metal crinkling. I’ve never seen a reproduction unit that has been able to replicate this. The snorkels are what concern me but I have seen GM original snorkels sold to repair damaged snorkels and they did not have notches in the seams, so a GM over the counter replacement is possible. I’ve only seen pictures of one over the counter GM replacement air cleaner and I think it belonged to Chuck. Maybe Chuck can compare.
Mike
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#3
07-16-2018, 12:54 PM
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I just wanted to thank all those who helped with my question.
I think we can all agree that the base is a GM over the counter replacement and the lid is a re-pop. It is amazing the knowledge that exists on this site......almost scary in a VERY good way. Thank you once again guys, you came to my rescue. Paul
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